Migrants sleep on a bench at a park in Belgrade, Serbia on Friday. Over 10,000 migrants, including many women with babies and small children, have crossed into Serbia over the past few days and headed toward Hungary and the EU Schengen Area

Migrant women carrying children comfort each other upon reaching the Greek island of Kos after crossing a part of the Aegean Sea between Turkey and Greece. Greece sent extra riot police to Kos as tensions mounted over a huge influx of migrants. The Greek government said it was “immediately” dispatching a ship to Kos to double up as an accommodation and processing centre for up to 2,500 people as around 7,000 migrants wait to apply for immigration papers.

A migrant shows a victory sign from a train heading to Serbia in the town of Gevgelija, on the Macedonian-Greek border. The migrants are trying to cross Macedonia and Serbia and enter the EU via Hungary. Hungarian authorities started building a fence along the country’s border with Serbia earlier this week to halt the migrant influx

Migrants gather outside the police station to collect documentation to facilitate their onward journey into Europe on Monday in Kos, Greece. Migrants are continuing to arrive on the Greek Island of Kos from Turkey, the shoreline of which is approximately 5km away

A migrant and her son leave the immigration centre through a fence on the southern Italian island of Lampedusa on Thursday. Hundreds of thousands of migrants have arrived in southern Italy in unsafe boats, their departure from Libya facilitated by people smugglers operating freely in conditions of near-anarchy

A young Syrian refugee covers herself with a blanket as she stands outside tents at a makeshift settlement in Bar Elias in the Bekaa valley. Lebanon enforced new immigration controls at the Syrian border on Monday in a move to gain control of the steady stream of refugees from its much larger neighbour.

Protesters chained together block the entrance of an immigrant detention centre on Tuesday in Elizabeth, New Jersey. A coalition of immigrant advocacy groups marked international Human Rights Day by staging the civil disobedience action at the Elizabeth Detention Center where eight protesters were arrested by police. Organisers said the event was designed to draw attention to the continued mass deportations of undocumented immigrants by the US Immigration and Customs Enforcement, as well as Congress’s inability to pass immigration reform.

Yeomen of the Guard march through the House of Lords ahead of the State Opening of Parliament in London, England, on Wednesday. Queen Elizabeth II unveiled the coalition government’s legislative programme in a speech delivered to members of parliament and peers in the House of Lords.